Seahorse Seashell Party
Plot:
While the Griffins are housebound during a hurricane, Brian ingests psychedelic mushrooms. He sees bizarre and unsettling things, and acts accordingly. Meanwhile, the rest of the family is bored and irritable, and Meg finally lashes out at Chris, Lois and Peter for all the crap they've given her.
Part 2 of the three-part crossover "Night of the Hurricane" with The Cleveland Show (3x02 = Pt.1) and American Dad! (8x02 = Pt.3).